PPDIOO/Implementation/Verification Reference Material

Hey guys, PPDIOO and Implementation/Verification topics seem to come up frequently when Discussing ROUTE and SWITCH. Here is a fantastic document on PPDIOO that was a reference for another Article on PPDIOO that I read. We will see when exam day comes next week, but the more I read material on these topics from different sources, the better feel I get for what Cisco is wanting to test on as I see recurring keywords in my practice tests and the Cisco docs. Maybe we can make this a sticky for everyone to contribute?